Home / 122,635.02-169,177.23-106,694.22

Finding the Fourth Proportional to 122,635.02, 169,177.23 and 106,694.22

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Solution

The fourth proportional to 122,635.02, 169,177.23 and 106,694.22 is: 147,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,635.02 : 169,177.23 = 106,694.22 : x
  2. Step 2: Convert to fraction form
    122,635.02/169,177.23 = 106,694.22/x
  3. Step 3: Cross multiply
    122,635.02x = 169,177.23 × 106,694.22
  4. Step 4: Simplify right side
    122,635.02x = 18,050,232,596.61
  5. Step 5: Solve for x
    x = 18,050,232,596.61/122,635.02
  6. Step 6: Final answer
    x = 147,186.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.